According to the map, in 1850 which region of the country had areas of 90 or more inhabitants per square mile? A. Northeast
B. Southeast
C. Midwest

Will mark as brainliest. i need .select the correct boxes. 1. similarity between united states and roman republic. 2. difference between united states and roman republic1. the government had a written constitution. 2. women could vote. 3. there was a system of checks and balances. 4. the government could use a veto to cancel an action.